cgo argument has Go pointer to Go pointer

[aep]

the example straight from README.md doesnt work.

$ ./derp 
panic: runtime error: cgo argument has Go pointer to Go pointer

goroutine 1 [running]:
github.com/qiniu/py.(*Closure).NewFunction.func2(0xc420020120, 0x2, 0x2645d50)
	/home/aep/ai/makepage/.workspace/src/github.com/qiniu/py/gofunction.go:25 +0x52
github.com/qiniu/py.(*Closure).NewFunction(0xc4200200f0, 0xc4200102a1, 0x7, 0x2, 0x0, 0x0, 0x0)
	/home/aep/ai/makepage/.workspace/src/github.com/qiniu/py/gofunction.go:25 +0xb7
github.com/qiniu/py.Register(0x7f4a8bddfd70, 0xc42004fe18, 0x4, 0x4f2380, 0x7c93c8, 0xc42004fe18, 0x4, 0xc4200102d0)
	/home/aep/ai/makepage/.workspace/src/github.com/qiniu/py/goregister.go:64 +0x4a5
github.com/qiniu/py.NewGoModule(0x50eaea, 0x3, 0x0, 0x0, 0x4f2380, 0x7c93c8, 0x7f4a8bde66e0, 0x0, 0x0, 0x0, ...)
	/home/aep/ai/makepage/.workspace/src/github.com/qiniu/py/gomodule.go:33 +0x1bf
main.main()
	/home/aep/ai/makepage/.workspace/src/derp/main.go:46 +0x83

$ go env
GOARCH="amd64"
GOBIN=""
GOEXE=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOOS="linux"
GOPATH="/home/aep/gocode"
GORACE=""
GOROOT="/usr/lib/go"
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GCCGO="gccgo"
CC="gcc"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build102676572=/tmp/go-build -gno-record-gcc-switches"
CXX="g++"
CGO_ENABLED="1"
PKG_CONFIG="pkg-config"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"

[jerrybean]

i meet the same. i use https://github.com/sbinet/go-python instead.

[yangst90]

+PyMethodDef*
+_gopy_malloc_PyMethodDefArray(size_t n) {

• return (PyMethodDef*)malloc(n * sizeof(PyMethodDef));
  +}
  diff --git a/gofunction.go b/gofunction.go
  index 696e143..c17890e 100644
  --- a/gofunction.go
  +++ b/gofunction.go
  @@ -11,14 +11,14 @@ import "unsafe"
  import "reflect"

type Closure struct { // closure = self.method

•   Self      reflect.Value
  

•   Method    reflect.Value
  

•   methodDef C.PyMethodDef
  

•   Self   reflect.Value
  

•   Method reflect.Value
  

•   //methodDef C.PyMethodDef
  

}

func (closure *Closure) NewFunction(name string, nin int, doc string) *Base {

•   d := &closure.methodDef
  

•   d := C._gopy_malloc_PyMethodDefArray(1)
    d.ml_name = C.CString(name)
    defer C.free(unsafe.Pointer(d.ml_name))
  

diff --git a/gofunction.h b/gofunction.h
index 635d212..57e2372 100644
--- a/gofunction.h
+++ b/gofunction.h
@@ -1,6 +1,8 @@
#ifndef QBOX_GOPY_GOFUNCTION_H
#define QBOX_GOPY_GOFUNCTION_H

+#include <Python.h>
+PyMethodDef*
+_gopy_malloc_PyMethodDefArray(size_t n);
int setMethod(PyMethodDef* d, int nin);

#endif /* _GO_PYTHON_UTILS_H */

try this

[xiyanxiyan10]

fixed
Please run this

 export GODEBUG=cgocheck=0